DE69022594T2 - METHOD AND DEVICE FOR CONTINUOUS GRANULATION OF STRONG WATER-ABSORBENT RESIN POWDER. - Google Patents

METHOD AND DEVICE FOR CONTINUOUS GRANULATION OF STRONG WATER-ABSORBENT RESIN POWDER.

Info

Publication number
DE69022594T2
DE69022594T2 DE69022594T DE69022594T DE69022594T2 DE 69022594 T2 DE69022594 T2 DE 69022594T2 DE 69022594 T DE69022594 T DE 69022594T DE 69022594 T DE69022594 T DE 69022594T DE 69022594 T2 DE69022594 T2 DE 69022594T2
Authority
DE
Germany
Prior art keywords
absorbent resin
resin powder
strong water
continuous granulation
granulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69022594T
Other languages
German (de)
Other versions
DE69022594D1 (en
Inventor
Hitoshi - Takahashi
Hiroyuki - Kakita
Yoshio Irie
Teruaki - Fujiwara
Kazumi Otsu Apt - Akihisa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Publication of DE69022594D1 publication Critical patent/DE69022594D1/en
Application granted granted Critical
Publication of DE69022594T2 publication Critical patent/DE69022594T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/08—Making granules by agglomerating smaller particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B29B2009/163—Coating, i.e. applying a layer of liquid or solid material on the granule
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
DE69022594T 1990-04-27 1990-04-27 METHOD AND DEVICE FOR CONTINUOUS GRANULATION OF STRONG WATER-ABSORBENT RESIN POWDER. Expired - Lifetime DE69022594T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP1990/000560 WO1991017200A1 (en) 1990-04-27 1990-04-27 Method and apparatus for continuous granulation of high water absorbing resin powder
CN90104266A CN1041735C (en) 1990-04-27 1990-05-15 Method and equipment for continuous granulation of high absorbent resin powder

Publications (2)

Publication Number Publication Date
DE69022594D1 DE69022594D1 (en) 1995-10-26
DE69022594T2 true DE69022594T2 (en) 1996-02-29

Family

ID=36763215

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69022594T Expired - Lifetime DE69022594T2 (en) 1990-04-27 1990-04-27 METHOD AND DEVICE FOR CONTINUOUS GRANULATION OF STRONG WATER-ABSORBENT RESIN POWDER.

Country Status (5)

Country Link
US (1) US5369148A (en)
EP (1) EP0480031B1 (en)
CN (1) CN1041735C (en)
DE (1) DE69022594T2 (en)
WO (1) WO1991017200A1 (en)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5858406A (en) * 1992-05-09 1999-01-12 Surfachem Group Plc Conversion of powdered polymers
GB9210034D0 (en) * 1992-05-09 1992-06-24 Gel Chem Ltd Improvements in acid thickeners
US5320261A (en) 1993-01-19 1994-06-14 Andersen M Dan Restraining and protection device for neckstrap-suspended equipment
US5610208A (en) 1994-02-17 1997-03-11 Nippon Shokubai Co., Ltd. Water-absorbent agent, method for production thereof, and water-absorbent composition
DE69633427T3 (en) † 1995-03-09 2012-06-14 Nippon Shokubai Co. Ltd. BLOOD ABSORBENT RESIN COMPOSITION AND ABSORBENT ARTICLES
DE69632570T3 (en) * 1995-07-07 2013-01-17 Nippon Shokubai Co. Ltd. WATER ABSORBING POWDER AND METHOD OF MANUFACTURE
US5620643A (en) * 1995-10-26 1997-04-15 Minnesota Mining And Manufacturing Company Process for producing fused particle agglomerates
WO1997024394A1 (en) * 1995-12-27 1997-07-10 Nippon Shokubai Co., Ltd. Water absorbent and process and equipment for the production thereof
ATE243012T1 (en) 1997-04-18 2003-07-15 Procter & Gamble USE OF HYDROGEL-FORMING POLYMERS IN ABSORBENT MATERIALS FOR ABSORBING BODY FLUID
US6228930B1 (en) 1997-06-18 2001-05-08 Nippon Shokubai Co., Ltd. Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule
US6187902B1 (en) † 1997-12-25 2001-02-13 Nippon Shokubai Co., Ltd. Production process of hydrophilic crosslinked polymer
CN1094383C (en) * 1998-09-11 2002-11-20 自贡市化工研究设计院 Spraying-fluidized bed prilling method for precipitation of hydrated silicon dioxide
TWI278480B (en) 1999-12-15 2007-04-11 Nippon Catalytic Chem Ind Water-absorbent resin composition
US6817557B2 (en) 2000-01-20 2004-11-16 Nippon Shokubai Co., Ltd. Process for transporting, storing, and producing a particulate water-absorbent resin
JP4739534B2 (en) * 2000-01-20 2011-08-03 株式会社日本触媒 Handling method of water absorbent resin
EP1130045B2 (en) 2000-02-29 2015-10-28 Nippon Shokubai Co., Ltd. Process for producing a water-absorbent resin powder
US6720389B2 (en) 2000-09-20 2004-04-13 Nippon Shokubai Co., Ltd. Water-absorbent resin and production process therefor
DE10053858A1 (en) * 2000-10-30 2002-05-08 Stockhausen Chem Fab Gmbh Absorbent structure with improved blocking properties
EP1563002B2 (en) † 2002-10-25 2017-12-13 Evonik Degussa GmbH Absorbent polymer structure provided with an improved retention capacity and permeability
EP1462473B1 (en) * 2003-03-14 2011-07-06 Nippon Shokubai Co., Ltd. Surface crosslinking method of water-absorbing resin powder
JP4564284B2 (en) * 2003-06-03 2010-10-20 株式会社日本触媒 Manufacturing method of water absorbing material
JP4640923B2 (en) * 2003-09-05 2011-03-02 株式会社日本触媒 Method for producing particulate water-absorbing resin composition
WO2005092955A1 (en) 2004-03-29 2005-10-06 Nippon Shokubai Co., Ltd. Particulate water absorbing agent with irregularly pulverized shape
RU2337750C2 (en) * 2004-03-31 2008-11-10 Ниппон Сокубаи Ко., Лтд. Water fluid absorbing agent and method for its production
WO2006078046A2 (en) * 2005-01-18 2006-07-27 Nippon Shokubai Co., Ltd. Water absorbent and method for production thereof
TWI344469B (en) 2005-04-07 2011-07-01 Nippon Catalytic Chem Ind Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
TWI394789B (en) 2005-12-22 2013-05-01 Nippon Catalytic Chem Ind Water-absorbent resin composition, method of manufacturing the same, and absorbent article
EP1996493A2 (en) * 2006-03-14 2008-12-03 Basf Se Method for the pneumatic conveying of water-absorbent polymer particles
EP1837348B9 (en) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Water-absorbing resin and method for manufacturing the same
EP2048184B1 (en) * 2006-08-04 2018-09-05 Sumitomo Seika Chemicals Co., Ltd. Water-absorbable resin particle, method for production thereof, and absorber material using the same
EP2066737B1 (en) 2006-09-29 2012-12-12 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin particle
EP2112172B2 (en) 2007-01-24 2018-10-17 Nippon Shokubai Co., Ltd. Particulate water-absorbent polymer and process for production thereof
CN101679760B (en) * 2007-03-19 2011-12-07 巴斯夫欧洲公司 Method for coating water-absorbing polymer particles
DE102007024080A1 (en) 2007-05-22 2008-11-27 Evonik Stockhausen Gmbh Process for gentle mixing and coating of superabsorbents
US8304517B2 (en) * 2007-06-19 2012-11-06 Sumitomo Seika Chemicals Co., Ltd. Method for producing granulated carboxyl group-containing polymer particle and granulated carboxyl group-containing polymer particle
SA08290542B1 (en) 2007-08-28 2012-11-14 نيبون شوكوباي كو. ، ليمتد Method for Producing Water Absorbent Resin
EP2404954B1 (en) 2009-03-04 2015-04-22 Nippon Shokubai Co., Ltd. Process for producing water-absorbing resin
CN102548654A (en) 2009-09-29 2012-07-04 株式会社日本触媒 Particulate water absorbent and process for production thereof
WO2011042468A2 (en) * 2009-10-09 2011-04-14 Basf Se Method for re-wetting surface post-cross-linked, water-absorbent polymer particles
WO2012093394A2 (en) * 2011-01-06 2012-07-12 Pointgrab Ltd. Computer vision based two hand control of content
US9833769B2 (en) 2011-02-07 2017-12-05 Basf Se Process for producing water-absorbing polymer particles with high free swell rate
EP2673011B2 (en) 2011-02-07 2019-01-16 Basf Se Procedure for preparing water absorbing polymer particles having high free swell rate
CN102335977B (en) * 2011-06-02 2013-06-19 张毅 Method and device for producing plant fiber and thermoplastic composite granular material
CN102731713B (en) * 2012-07-23 2014-12-03 上海华谊丙烯酸有限公司 Preparation method for high-performance absorbent resin
CN103158206A (en) * 2013-03-19 2013-06-19 太仓市佳玲塑料制品有限公司 Preparation process of vinyl acetate granules
JP6313280B2 (en) 2013-03-27 2018-04-18 住友精化株式会社 Method for producing water absorbent resin composition
US9375507B2 (en) 2013-04-10 2016-06-28 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
US9302248B2 (en) 2013-04-10 2016-04-05 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
CN106514894A (en) * 2016-12-04 2017-03-22 重庆精榜高分子材料有限公司 Processing device for raw materials of plastic particles
US20220088568A1 (en) 2019-01-11 2022-03-24 Nippon Shokubai Co., Ltd. Water absorbent agent and method for producing water absorbent agent
KR20210054474A (en) * 2019-11-05 2021-05-13 주식회사 엘지화학 Method for preparing super absorbent polymer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632257A (en) * 1969-09-04 1972-01-04 Naoyoshi Ashizawa Apparatus for making granules
JPS5179142A (en) * 1974-12-30 1976-07-09 Matsushita Electric Works Ltd KARYUJOAMINOJUSHISEIKEIZAIRYONO SEIZOHO
CH627949A5 (en) * 1978-03-14 1982-02-15 Nestle Sa AGGLOMERATION PROCESS AND APPARATUS FOR ITS IMPLEMENTATION.
US4539936A (en) * 1984-04-16 1985-09-10 Frank Majewski Animal door scratch preventer
US4734478A (en) * 1984-07-02 1988-03-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Water absorbing agent
US4640839A (en) * 1985-07-01 1987-02-03 Nestec S.A. Agglomeration process
JPH01178524A (en) * 1988-01-05 1989-07-14 Mitsubishi Heavy Ind Ltd Granulation of water-absorptive powder
JPH01236932A (en) * 1988-03-15 1989-09-21 Nippon Kagaku Kikai Seizo Kk Spray granulator
US5002986A (en) * 1989-02-28 1991-03-26 Hoechst Celanese Corporation Fluid absorbent compositions and process for their preparation
JP4058779B2 (en) * 1997-09-11 2008-03-12 マツダ株式会社 Vehicle door structure

Also Published As

Publication number Publication date
CN1056503A (en) 1991-11-27
CN1041735C (en) 1999-01-20
WO1991017200A1 (en) 1991-11-14
DE69022594D1 (en) 1995-10-26
US5369148A (en) 1994-11-29
EP0480031A4 (en) 1992-11-25
EP0480031B1 (en) 1995-09-20
EP0480031A1 (en) 1992-04-15

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